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发明名称
PURIFICATION OF GERMANIUM
摘要
申请公布号
US3573108(A)
申请公布日期
1971.03.30
申请号
USD3573108
申请日期
1968.10.30
申请人
GENERAL ELECTRIC CO.
发明人
ROBERT N. HALL
分类号
C22B41/00;C30B15/00;(IPC1-7):C22B41/00
主分类号
C22B41/00
代理机构
代理人
主权项
地址
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